Add qemu 2.4.0
[kvmfornfv.git] / qemu / roms / u-boot / board / ronetix / pm9g45 / pm9g45.c
diff --git a/qemu/roms/u-boot/board/ronetix/pm9g45/pm9g45.c b/qemu/roms/u-boot/board/ronetix/pm9g45/pm9g45.c
new file mode 100644 (file)
index 0000000..15aa4ac
--- /dev/null
@@ -0,0 +1,181 @@
+/*
+ * (C) Copyright 2010
+ * Ilko Iliev <iliev@ronetix.at>
+ * Asen Dimov <dimov@ronetix.at>
+ * Ronetix GmbH <www.ronetix.at>
+ *
+ * (C) Copyright 2007-2008
+ * Stelian Pop <stelian@popies.net>
+ * Lead Tech Design <www.leadtechdesign.com>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <linux/sizes.h>
+#include <asm/io.h>
+#include <asm/gpio.h>
+#include <asm/arch/at91sam9_smc.h>
+#include <asm/arch/at91_common.h>
+#include <asm/arch/at91_pmc.h>
+#include <asm/arch/at91_rstc.h>
+#include <asm/arch/at91_matrix.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/clk.h>
+#if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB)
+#include <net.h>
+#endif
+#include <netdev.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * Miscelaneous platform dependent initialisations
+ */
+
+#ifdef CONFIG_CMD_NAND
+static void pm9g45_nand_hw_init(void)
+{
+       unsigned long csa;
+       struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
+       struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
+       struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
+
+       /* Enable CS3 */
+       csa = readl(&matrix->ccr[6]) | AT91_MATRIX_CSA_EBI_CS3A;
+       writel(csa, &matrix->ccr[6]);
+
+       /* Configure SMC CS3 for NAND/SmartMedia */
+       writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) |
+               AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0),
+               &smc->cs[3].setup);
+
+       writel(AT91_SMC_PULSE_NWE(4) | AT91_SMC_PULSE_NCS_WR(3) |
+               AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(2),
+               &smc->cs[3].pulse);
+
+       writel(AT91_SMC_CYCLE_NWE(7) | AT91_SMC_CYCLE_NRD(4),
+               &smc->cs[3].cycle);
+
+       writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
+               AT91_SMC_MODE_EXNW_DISABLE |
+               AT91_SMC_MODE_DBW_8 |
+               AT91_SMC_MODE_TDF_CYCLE(3),
+               &smc->cs[3].mode);
+
+       writel(1 << ATMEL_ID_PIOC, &pmc->pcer);
+
+#ifdef CONFIG_SYS_NAND_READY_PIN
+       /* Configure RDY/BSY */
+       gpio_direction_input(CONFIG_SYS_NAND_READY_PIN);
+#endif
+
+       /* Enable NandFlash */
+       gpio_direction_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
+}
+#endif
+
+#ifdef CONFIG_MACB
+static void pm9g45_macb_hw_init(void)
+{
+       struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
+
+       /*
+        * PD2 enables the 50MHz oscillator for Ethernet PHY
+        * 1 - enable
+        * 0 - disable
+        */
+       at91_set_pio_output(AT91_PIO_PORTD, 2, 1);
+       at91_set_pio_value(AT91_PIO_PORTD, 2, 1); /* 1- enable, 0 - disable */
+
+       /* Enable clock */
+       writel(1 << ATMEL_ID_EMAC, &pmc->pcer);
+
+       /*
+        * Disable pull-up on:
+        *      RXDV (PA15) => PHY normal mode (not Test mode)
+        *      ERX0 (PA12) => PHY ADDR0
+        *      ERX1 (PA13) => PHY ADDR1 => PHYADDR = 0x0
+        *
+        * PHY has internal pull-down
+        */
+       at91_set_pio_pullup(AT91_PIO_PORTA, 15, 0);
+       at91_set_pio_pullup(AT91_PIO_PORTA, 12, 0);
+       at91_set_pio_pullup(AT91_PIO_PORTA, 13, 0);
+
+       /* Re-enable pull-up */
+       at91_set_pio_pullup(AT91_PIO_PORTA, 15, 1);
+       at91_set_pio_pullup(AT91_PIO_PORTA, 12, 1);
+       at91_set_pio_pullup(AT91_PIO_PORTA, 13, 1);
+
+       at91_macb_hw_init();
+}
+#endif
+
+int board_early_init_f(void)
+{
+       struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
+
+       /* Enable clocks for all PIOs */
+       writel((1 << ATMEL_ID_PIOA) |
+               (1 << ATMEL_ID_PIOB) |
+               (1 << ATMEL_ID_PIOC) |
+               (1 << ATMEL_ID_PIODE), &pmc->pcer);
+
+       at91_seriald_hw_init();
+
+       return 0;
+}
+
+int board_init(void)
+{
+       /* arch number of AT91SAM9M10G45EK-Board */
+       gd->bd->bi_arch_number = MACH_TYPE_PM9G45;
+       /* adress of boot parameters */
+       gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+
+#ifdef CONFIG_CMD_NAND
+       pm9g45_nand_hw_init();
+#endif
+
+#ifdef CONFIG_MACB
+       pm9g45_macb_hw_init();
+#endif
+       return 0;
+}
+
+int dram_init(void)
+{
+       /* dram_init must store complete ramsize in gd->ram_size */
+       gd->ram_size = get_ram_size((void *)PHYS_SDRAM,
+                               PHYS_SDRAM_SIZE);
+       return 0;
+}
+
+void dram_init_banksize(void)
+{
+       gd->bd->bi_dram[0].start = PHYS_SDRAM;
+       gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
+}
+
+#ifdef CONFIG_RESET_PHY_R
+void reset_phy(void)
+{
+#ifdef CONFIG_MACB
+       /*
+        * Initialize ethernet HW addr prior to starting Linux,
+        * needed for nfsroot
+        */
+       eth_init(gd->bd);
+#endif
+}
+#endif
+
+int board_eth_init(bd_t *bis)
+{
+       int rc = 0;
+#ifdef CONFIG_MACB
+       rc = macb_eth_initialize(0, (void *)ATMEL_BASE_EMAC, 0x01);
+#endif
+       return rc;
+}